document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=876389>Question 876389</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A researcher has measured the yields of 40 tomato plants and found that the<BR>\n" );
document.write( "sample average yield per plant to be 5 pounds with a sample standard deviation of<BR>\n" );
document.write( "1.7 pound. Find a confidence interval for the mean yield at the level 0.9. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #528756 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=528756\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find a confidence interval for the mean yield at the level 0.9. t = 1.685<BR>\n" );
document.write( "ME = 1.685(1.7)/sqrt(40)<BR>\n" );
document.write( "CI: 5-ME < u <  5 + ME </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );